Home / 4,291.80-5,920.95-2,612.58

Finding the Fourth Proportional to 4,291.80, 5,920.95 and 2,612.58

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Solution

The fourth proportional to 4,291.80, 5,920.95 and 2,612.58 is: 3,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.80 : 5,920.95 = 2,612.58 : x
  2. Step 2: Convert to fraction form
    4,291.80/5,920.95 = 2,612.58/x
  3. Step 3: Cross multiply
    4,291.80x = 5,920.95 × 2,612.58
  4. Step 4: Simplify right side
    4,291.80x = 15,468,955.55
  5. Step 5: Solve for x
    x = 15,468,955.55/4,291.80
  6. Step 6: Final answer
    x = 3,604.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.